5a-ANDROSTAN-16a-OL-17-ONE CAS 25846-17-7
| CAS No. | 25846-17-7 |
| Molecular Formula | C19H30O2 |
| Molecular Weight | 290.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H30O2, 5a-ANDROSTAN-16a-OL-17-ONE contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 290.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5a-ANDROSTAN-16a-OL-17-ONE (CAS 25846-17-7) is a high-purity analytical reference standard with the molecular formula C19H30O2 and a molecular weight of 290.44 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5a-ANDROSTAN-16a-OL-17-ONE under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H30O2 |
| Molecular Weight | 290.44 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
Related a Standards
- 5α-ANDROSTAN-3β-OL-16-ONE (CAS 571-51-7)
- 5β-androstan-3β-ol-17-one (CAS 571-31-3)
- 5Alpha-Androstan-17Beta-Ol-3-One (CAS 521-18-6)
- 17α-Methyl-5α-androstan-17β-ol (CAS 1229-04-5)
- 5α-Androstan-3α-ol-17-one-16,16-d (CAS 89685-22-3)
- 5α-Androstan-3β-ol-17-one-16,16-d (CAS 79037-35-7)
- 5α-ANDROSTAN-3, 16-DIONE (CAS 1035-71-8)
- 5α-ANDROSTAN-3β, 16α-DIOL (CAS 22630-49-5)
Recommended Standards
- 4-N-Dodecyloxybenzaldehyde (CAS 24083-19-0)
- 5-ANDROSTEN-3β, 16α-DIOL-17-ONE (CAS 3642-89-5)
- 4-n-Dodecylbenzoic acid (CAS 21021-55-6)
- 3-(5,5,6-Trimethylbicyclo[2.2.1]heptan-2-yl)cyclohexyl acrylate (CAS 903876-45-9)
- 5-(2-Methyl-1,3-dioxolan-2-yl)-3-(p-tolyl)benzo[c]isoxazole (CAS 439094-60-7)
- Lithium 5-bromo-1-methyl-1H-imidazole-2-carboxylate (CAS 2228261-36-5)
- (1R,2S)-2-(2-(2-bromophenyl)-2-oxoethyl)cyclopentane-1-carboxylic acid (CAS 733740-67-5)
- 4-(tert-Butyl)-1-methyl-1h-imidazole (CAS 86921-45-1)
- N-Nitroso Formoterol (CAS CATO-C4X-152585)
- 4-(Aminomethyl)-2,6-difluorophenol (CAS 252664-89-4)
- 3,4-diamino-5-methoxybenzonitrile (CAS 861258-97-1)
- 7-Methylquinolin-6-ol (CAS 84583-52-8)
- 16α,17α-Epoxypregnenolone acetate (CAS 34209-81-9)
- Tirzepatide Impurity 11 TFA salt (CAS CATO-C4X-324011)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com